IM Jean-Rene Koch Full name Jean-Rene Koch Born 1/1/1970 (age 54) Place of birth Federation France Profiles #1334 World Ranking 2426 Classical Rating Bio Most Played Openings White Pieces Sicilian Defense: Open, Classical, Anti-Sozin Variation (15 games) Sicilian Defense: Taimanov, Bastrikov Variation (10 games) French Defense: King's Indian Attack (10 games) Alapin Sicilian Defense (8 games) Caro-Kann Defense: Accelerated Panov, Modern Variation (8 games) Black Pieces Alapin Sicilian Defense (14 games) Petrov's Defense: Classical Attack, Mason-Showalter Variation (13 games) Sicilian Defense: Open, Dragon, Main Line (9 games) Réti Opening: Dutch Variation (8 games) English Opening: Anglo-Dutch Defense (8 games) Games Players Result Moves Year Jean-Rene Koch (2441) Jerome Mendeiros (2097) 1-0 64 2022 Jean-Rene Koch (2441) Charly Rouler (2346) 1-0 37 2022 Jean-Rene Koch (2441) Emile Roubert (2027) 1-0 41 2022 Jean-Rene Koch (2441) Floryan Eugene (2373) 0-1 36 2022 Jean-Rene Koch (2441) Hugo Caille (2159) ½-½ 21 2022 Jean-Rene Koch (2465) Karl Johan Ribbegren (2209) 1-0 29 2019 Jean-Rene Koch (2465) Mikhail Gurevich (2566) 0-1 48 2019 Jean-Rene Koch (2465) Sven Charmeteau (2292) 0-1 41 2019 Jean-Rene Koch (2465) M Geenen (2246) ½-½ 36 2019 Jean-Rene Koch (2465) Sophie Milliet (2400) ½-½ 28 2019 Show All Games